I used to think that World War I and World War II were "War War I" and "War War II", because I've always had bad hearing and I've only seen it wrote out as WWI & WWII. I actually put "War War I" on a timeline for a project in 6th grade.
A childhood belief about wars

others believed things like this
- I thought the world was black and white because of all the smoke from the bombs in Second World War.— Bjoern
- Until a few years ago, I believed this was a "doggy dog" world, rather than a "dog-eat-dog" world.— jemima
- I used to think that the phrase "It's a dog eat dog world'' was its a dogey dog world.— Gabral
- I used to believe that we lived inside of the world. I asked my Dad who lived on the outside of the world. — Pauline
- I used to think a world record was a record of all the people in the world singing .— JACK REGAN . [SWEENEY . ]
- I used to think that world wars's were called war wars. So then World War II became War War II.— Maria